窄搭接焊机中的稳定电阻和不稳定电阻分析

Analysis on stable and unstable resistance in narrow lap welding machine

从焊接原理出发,将窄搭接焊机回路中的电阻分为稳定电阻和不稳定电阻两类,逐一进行了详细分析,指出影响窄搭接焊机焊接回路电阻的主要因素有焊轮表面质量、焊轮压力、焊轮高度、小车轨道、夹钳平直度、带钢材质、板型、钢板清洁度以及搭接量等。这些因素会导致焊接区电阻发生较大变化,从而影响焊接质量。并对此提出了日常设备维护和管理的具体建议。

Starting out from the basic principles of welding,the resistances in the welding loop of the narrow lap welding machine were categorized into stable resistance and unstable resistance,which were detailed analyzed in this paper.It was pointed out that the main factors affecting the resistance in the welding loop of the narrow lap welding machine are the surface quality of the welding wheel,the pressure of the welding wheel,the height of the welding wheel,the track of the welding carriage,the flatness of the welding clamp,the material of the strip steel,the strip plate type,the cleanliness of the steel plate and the amount of lap etc.These factors will cause obvious variations in the resistance of the welding area,thus influencing the quality of the weld.Further suggestions concerning daily equipment maintenance and management were also given.